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Optics & Photonics Apr 20, 2023

Ultra-miniaturized non-classical light sources for quantum devices

Non-classical states of light such as single photons and entangled photons are key ingredients for chips dedicated to quantum computation, quantum sensing, quantum measurement, etc. Fabrication of a traditional chip is hard, ...

Quantum Âé¶¹ÒùÔºics Apr 20, 2023

Heaviest Schrödinger cat achieved by putting a small crystal into a superposition of two oscillation states

Even if you are not a quantum physicist, you will most likely have heard of Schrödinger's famous cat. Erwin Schrödinger came up with the feline that can be alive and dead at the same time in a thought experiment in 1935. ...

Analytical Chemistry Apr 20, 2023

Swedish quantum computer applied to chemistry for the first time

There are high expectations that quantum computers may deliver revolutionary new possibilities for simulating chemical processes. This could have a major impact on everything from the development of new pharmaceuticals to ...

Quantum Âé¶¹ÒùÔºics Apr 19, 2023

Embracing variations: Âé¶¹ÒùÔºicists first to analyze noise in Lambda-type quantum memory

In the future, communications networks and computers will use information stored in objects governed by the microscopic laws of quantum mechanics. This capability can potentially underpin communication with greatly enhanced ...

Quantum Âé¶¹ÒùÔºics Apr 19, 2023

Rock, paper, scissors: Searching for stronger nonlocality using quantum computers

The 2022 Nobel Prize in Âé¶¹ÒùÔºics was awarded to Alain Aspect, John Clauser, and Anton Zeilinger for their works on "quantum nonlocality" in quantum mechanics. Quantum nonlocality is a phenomenon where connected particles can ...

General Âé¶¹ÒùÔºics Apr 13, 2023

Quantum 'magic' could help explain the origin of spacetime

A quantum property dubbed "magic" could be the key to explaining how space and time emerged, a new mathematical analysis by three RIKEN physicists suggests. The research is published in the journal Âé¶¹ÒùÔºical Review D.

Optics & Photonics Apr 12, 2023

A new way to share secret information, using quantum mechanics

Quantum information is a powerful technology for increasing the amount of information that can be processed and communicated securely. Using quantum entanglement to securely distribute a secret quantum state among multiple ...

Optics & Photonics Apr 11, 2023

Prolonged photostability in hexagonal boron nitride quantum emitters

Single-photon emitters are crucial building materials suited for optical quantum technologies. Among them, hexagonal boron nitride is a promising two-dimensional material that retains bright, room-temperature single-photon ...

Quantum Âé¶¹ÒùÔºics Apr 7, 2023

A new quantum approach to solve electronic structures of complex materials

If you know the atoms that compose a particular molecule or solid material, the interactions between those atoms can be determined computationally, by solving quantum mechanical equations—at least, if the molecule is small ...

Optics & Photonics Apr 6, 2023

How to overcome noise in quantum computations

Researchers Ludovico Lami (QuSoft, University of Amsterdam) and Mark M. Wilde (Cornell) have made significant progress in quantum computing by deriving a formula that predicts the effects of environmental noise. This is crucial ...

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